forked from osmocom/wireshark
111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
/* clopts_common.c
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* Handle command-line arguments common to Ethereal and Tethereal
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*
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* $Id$
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <epan/proto.h>
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#include <epan/packet.h>
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#include "clopts_common.h"
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/*
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* Handle the "-G" option, to cause protocol field, etc. information
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* to be printed.
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*/
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void
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handle_dashG_option(int argc, char **argv, char *progname)
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{
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if (argc >= 2 && strcmp(argv[1], "-G") == 0) {
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if (argc == 2)
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proto_registrar_dump_fields(1);
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else {
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if (strcmp(argv[2], "fields") == 0)
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proto_registrar_dump_fields(1);
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else if (strcmp(argv[2], "fields2") == 0)
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proto_registrar_dump_fields(2);
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else if (strcmp(argv[2], "fields3") == 0)
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proto_registrar_dump_fields(3);
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else if (strcmp(argv[2], "protocols") == 0)
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proto_registrar_dump_protocols();
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else if (strcmp(argv[2], "values") == 0)
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proto_registrar_dump_values();
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else if (strcmp(argv[2], "decodes") == 0)
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dissector_dump_decodes();
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else {
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fprintf(stderr, "%s: Invalid \"%s\" option for -G flag\n", progname,
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argv[2]);
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exit(1);
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}
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}
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exit(0);
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}
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}
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int
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get_natural_int(const char *appname, const char *string, const char *name)
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{
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long number;
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char *p;
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number = strtol(string, &p, 10);
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if (p == string || *p != '\0') {
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fprintf(stderr, "%s: The specified %s \"%s\" isn't a decimal number\n",
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appname, name, string);
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exit(1);
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}
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if (number < 0) {
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fprintf(stderr, "%s: The specified %s \"%s\" is a negative number\n",
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appname, name, string);
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exit(1);
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}
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if (number > INT_MAX) {
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fprintf(stderr, "%s: The specified %s \"%s\" is too large (greater than %d)\n",
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appname, name, string, INT_MAX);
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exit(1);
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}
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return number;
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}
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int
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get_positive_int(const char *appname, const char *string, const char *name)
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{
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long number;
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number = get_natural_int(appname, string, name);
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if (number == 0) {
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fprintf(stderr, "%s: The specified %s is zero\n",
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appname, name);
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exit(1);
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}
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return number;
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}
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